Signal Isolator

MSI7P

MSI7P is a signal isolator utilized to prevent damage to valuable PLCs, DCS, etc. from fluctuations in the input signal from field devices. It is also a signal multiplier that can retransmit up to 5 output signals from 1 input signal. It receives input from 8 types of thermocouples (B, E, J, K, N, R, S, T), Pt50, Pt100 and Cu53 3-wire RTD sensors, 0 - 50 mV voltage and 4-20 mA or 0 - 20 mA linear inputs. Special versions for oxygen probes and oxygen lambda sensors are also available. MSI7P provides signal isolation of 1 KV AC RMS/1 minute and 250 V AC RMS/continuous between its own power supply, the input and output. The operator calibrates ZERO and SPAN for the isolator via membrane keys on the front of the unit. MSI7P features a single programmable LCD display, which indicates the type of thermocouple, process value, output signal and output signal percentage.

Universal input or AC Current/Voltage

Programmable Ranges

Up to 5 x 4 - 20 mA (or voltage) outputs

Input/supply/outputs mutually isolated

85–265 V AC/DC or 20-30 V DC power supply

Calibration through keys - no trimpots

2 x 16 character LCD display

RS485/MODBUS RTU option

Applications

Industries

Customization

Not Available

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